mac npm-packages

npm-packages/mac-v3.4.+/detect-libc/README.md

@@ -8,6 +8,9 @@ Currently supports detection of GNU glibc and MUSL libc.
 Provides asychronous and synchronous functions for the
 family (e.g. `glibc`, `musl`) and version (e.g. `1.23`, `1.2.3`).
 
+The version numbers of libc implementations
+are not guaranteed to be semver-compliant.
+
 For previous v1.x releases, please see the
 [v1](https://github.com/lovell/detect-libc/tree/v1) branch.
 
@@ -147,7 +150,7 @@ if (isNonGlibcLinuxSync()) { ... }
 
 ## Licensing
 
-Copyright 2017, 2022 Lovell Fuller
+Copyright 2017 Lovell Fuller and others.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

npm-packages/mac-v3.4.+/detect-libc/index.d.ts

@@ -1,3 +1,6 @@
+// Copyright 2017 Lovell Fuller and others.
+// SPDX-License-Identifier: Apache-2.0
+
 export const GLIBC: 'glibc';
 export const MUSL: 'musl';
 

npm-packages/mac-v3.4.+/detect-libc/lib/detect-libc.js

@@ -1,7 +1,14 @@
+// Copyright 2017 Lovell Fuller and others.
+// SPDX-License-Identifier: Apache-2.0
+
 'use strict';
 
 const childProcess = require('child_process');
 const { isLinux, getReport } = require('./process');
+const { LDD_PATH, readFile, readFileSync } = require('./filesystem');
+
+let cachedFamilyFilesystem;
+let cachedVersionFilesystem;
 
 const command = 'getconf GNU_LIBC_VERSION 2>&1 || true; ldd --version 2>&1 || true';
 let commandOut = '';
@@ -36,6 +43,12 @@ const safeCommandSync = () => {
  */
 const GLIBC = 'glibc';
 
+/**
+ * A Regexp constant to get the GLIBC Version.
+ * @type {string}
+ */
+const RE_GLIBC_VERSION = /GLIBC\s(\d+\.\d+)/;
+
 /**
  * A String constant containing the value `musl`.
  * @type {string}
@@ -43,6 +56,18 @@ const GLIBC = 'glibc';
  */
 const MUSL = 'musl';
 
+/**
+ * This string is used to find if the {@link LDD_PATH} is GLIBC
+ * @type {string}
+ */
+const GLIBC_ON_LDD = GLIBC.toUpperCase();
+
+/**
+ * This string is used to find if the {@link LDD_PATH} is musl
+ * @type {string}
+ */
+const MUSL_ON_LDD = MUSL.toLowerCase();
+
 const isFileMusl = (f) => f.includes('libc.musl-') || f.includes('ld-musl-');
 
 const familyFromReport = () => {
@@ -69,6 +94,40 @@ const familyFromCommand = (out) => {
   return null;
 };
 
+const getFamilyFromLddContent = (content) => {
+  if (content.includes(MUSL_ON_LDD)) {
+    return MUSL;
+  }
+  if (content.includes(GLIBC_ON_LDD)) {
+    return GLIBC;
+  }
+  return null;
+};
+
+const familyFromFilesystem = async () => {
+  if (cachedFamilyFilesystem !== undefined) {
+    return cachedFamilyFilesystem;
+  }
+  cachedFamilyFilesystem = null;
+  try {
+    const lddContent = await readFile(LDD_PATH);
+    cachedFamilyFilesystem = getFamilyFromLddContent(lddContent);
+  } catch (e) {}
+  return cachedFamilyFilesystem;
+};
+
+const familyFromFilesystemSync = () => {
+  if (cachedFamilyFilesystem !== undefined) {
+    return cachedFamilyFilesystem;
+  }
+  cachedFamilyFilesystem = null;
+  try {
+    const lddContent = readFileSync(LDD_PATH);
+    cachedFamilyFilesystem = getFamilyFromLddContent(lddContent);
+  } catch (e) {}
+  return cachedFamilyFilesystem;
+};
+
 /**
  * Resolves with the libc family when it can be determined, `null` otherwise.
  * @returns {Promise<?string>}
@@ -76,7 +135,10 @@ const familyFromCommand = (out) => {
 const family = async () => {
   let family = null;
   if (isLinux()) {
-    family = familyFromReport();
+    family = await familyFromFilesystem();
+    if (!family) {
+      family = familyFromReport();
+    }
     if (!family) {
       const out = await safeCommand();
       family = familyFromCommand(out);
@@ -92,7 +154,10 @@ const family = async () => {
 const familySync = () => {
   let family = null;
   if (isLinux()) {
-    family = familyFromReport();
+    family = familyFromFilesystemSync();
+    if (!family) {
+      family = familyFromReport();
+    }
     if (!family) {
       const out = safeCommandSync();
       family = familyFromCommand(out);
@@ -113,6 +178,36 @@ const isNonGlibcLinux = async () => isLinux() && await family() !== GLIBC;
  */
 const isNonGlibcLinuxSync = () => isLinux() && familySync() !== GLIBC;
 
+const versionFromFilesystem = async () => {
+  if (cachedVersionFilesystem !== undefined) {
+    return cachedVersionFilesystem;
+  }
+  cachedVersionFilesystem = null;
+  try {
+    const lddContent = await readFile(LDD_PATH);
+    const versionMatch = lddContent.match(RE_GLIBC_VERSION);
+    if (versionMatch) {
+      cachedVersionFilesystem = versionMatch[1];
+    }
+  } catch (e) {}
+  return cachedVersionFilesystem;
+};
+
+const versionFromFilesystemSync = () => {
+  if (cachedVersionFilesystem !== undefined) {
+    return cachedVersionFilesystem;
+  }
+  cachedVersionFilesystem = null;
+  try {
+    const lddContent = readFileSync(LDD_PATH);
+    const versionMatch = lddContent.match(RE_GLIBC_VERSION);
+    if (versionMatch) {
+      cachedVersionFilesystem = versionMatch[1];
+    }
+  } catch (e) {}
+  return cachedVersionFilesystem;
+};
+
 const versionFromReport = () => {
   const report = getReport();
   if (report.header && report.header.glibcVersionRuntime) {
@@ -141,7 +236,10 @@ const versionFromCommand = (out) => {
 const version = async () => {
   let version = null;
   if (isLinux()) {
-    version = versionFromReport();
+    version = await versionFromFilesystem();
+    if (!version) {
+      version = versionFromReport();
+    }
     if (!version) {
       const out = await safeCommand();
       version = versionFromCommand(out);
@@ -157,7 +255,10 @@ const version = async () => {
 const versionSync = () => {
   let version = null;
   if (isLinux()) {
-    version = versionFromReport();
+    version = versionFromFilesystemSync();
+    if (!version) {
+      version = versionFromReport();
+    }
     if (!version) {
       const out = safeCommandSync();
       version = versionFromCommand(out);

npm-packages/mac-v3.4.+/detect-libc/lib/filesystem.js

@@ -0,0 +1,41 @@
+// Copyright 2017 Lovell Fuller and others.
+// SPDX-License-Identifier: Apache-2.0
+
+'use strict';
+
+const fs = require('fs');
+
+/**
+ * The path where we can find the ldd
+ */
+const LDD_PATH = '/usr/bin/ldd';
+
+/**
+ * Read the content of a file synchronous
+ *
+ * @param {string} path
+ * @returns {string}
+ */
+const readFileSync = (path) => fs.readFileSync(path, 'utf-8');
+
+/**
+ * Read the content of a file
+ *
+ * @param {string} path
+ * @returns {Promise<string>}
+ */
+const readFile = (path) => new Promise((resolve, reject) => {
+  fs.readFile(path, 'utf-8', (err, data) => {
+    if (err) {
+      reject(err);
+    } else {
+      resolve(data);
+    }
+  });
+});
+
+module.exports = {
+  LDD_PATH,
+  readFileSync,
+  readFile
+};

npm-packages/mac-v3.4.+/detect-libc/lib/process.js

@@ -1,3 +1,6 @@
+// Copyright 2017 Lovell Fuller and others.
+// SPDX-License-Identifier: Apache-2.0
+
 'use strict';
 
 const isLinux = () => process.platform === 'linux';

npm-packages/mac-v3.4.+/detect-libc/package.json

@@ -1,6 +1,6 @@
 {
   "name": "detect-libc",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "Node.js module to detect the C standard library (libc) implementation family and version",
   "main": "lib/detect-libc.js",
   "files": [
@@ -8,7 +8,9 @@
     "index.d.ts"
   ],
   "scripts": {
-    "test": "semistandard && nyc --reporter=lcov --check-coverage --branches=100 ava test/unit.js"
+    "test": "semistandard && nyc --reporter=lcov --check-coverage --branches=100 ava test/unit.js",
+    "bench": "node benchmark/detect-libc",
+    "bench:calls": "node benchmark/call-familySync.js && sleep 1 && node benchmark/call-isNonGlibcLinuxSync.js && sleep 1 && node benchmark/call-versionSync.js"
   },
   "repository": {
     "type": "git",
@@ -21,11 +23,13 @@
   ],
   "author": "Lovell Fuller <npm@lovell.info>",
   "contributors": [
-    "Niklas Salmoukas <niklas@salmoukas.com>"
+    "Niklas Salmoukas <niklas@salmoukas.com>",
+    "Vinícius Lourenço <vinyygamerlol@gmail.com>"
   ],
   "license": "Apache-2.0",
   "devDependencies": {
     "ava": "^2.4.0",
+    "benchmark": "^2.1.4",
     "nyc": "^15.1.0",
     "proxyquire": "^2.1.3",
     "semistandard": "^14.2.3"